Abstract
The Caatinga is the largest Semi-Arid region in the world, comprising the largestSeasonally Dry Tropical Forest (SDTF) in the Neotropics. Despite its importance, thebiome has received less attention than its neighbor biomes, as the Amazonia and AtlanticForest, in terms of scientific projects as well as in conservation issues.The Caatinga has been divided in 8 ecoregions, each of them pres…